body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f0f0f0;
}

header {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 1em 0;
}

.gallery {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
    padding: 20px;
}

figure {
    margin: 10px;
    text-align: center;
}

img {
    max-width: 100%;
    height: auto;
    border: 1px solid #ddd;
    border-radius: 5px;
}

figcaption {
    margin-top: 10px;
    font-style: italic;
}

footer {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 1em 0;
    position: fixed;
    bottom: 0;
    width: 100%;
}

.youtube-link a {
    color: white;
    text-decoration: none;
    background-color: #ff0000; /* Couleur de fond (facultatif) */
    padding: 10px 15px;
    border-radius: 5px;
}